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162040230 = 23351154559
BaseRepresentation
bin10011010100010…
…00100110100110
3102021220111102000
421222020212212
5312440241410
624025030130
74005214332
oct1152104646
9367814360
10162040230
1183516250
1246325346
13277562c1
14177407c2
15e35bdc0
hex9a889a6

162040230 has 64 divisors (see below), whose sum is σ = 471398400. Its totient is φ = 39281760.

The previous prime is 162040201. The next prime is 162040231. The reversal of 162040230 is 32040261.

162040230 = T100 + T101 + ... + T990.

It is a happy number.

162040230 is a `hidden beast` number, since 1 + 620 + 40 + 2 + 3 + 0 = 666.

It is a super-2 number, since 2×1620402302 = 52514072276905800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162040231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24310 + ... + 30249.

It is an arithmetic number, because the mean of its divisors is an integer number (7365600).

Almost surely, 2162040230 is an apocalyptic number.

162040230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

162040230 is an abundant number, since it is smaller than the sum of its proper divisors (309358170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

162040230 is a wasteful number, since it uses less digits than its factorization.

162040230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54586 (or 54580 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 162040230 is about 12729.5023469105. The cubic root of 162040230 is about 545.1812992762.

Adding to 162040230 its reverse (32040261), we get a palindrome (194080491).

The spelling of 162040230 in words is "one hundred sixty-two million, forty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 90 99 110 135 165 198 270 297 330 495 594 990 1485 2970 54559 109118 163677 272795 327354 491031 545590 600149 818385 982062 1200298 1473093 1636770 1800447 2455155 2946186 3000745 3600894 4910310 5401341 6001490 7365465 9002235 10802682 14730930 16204023 18004470 27006705 32408046 54013410 81020115 162040230